Check Brake Oil Detection Pen Brake Fluid Detector Brake Oil Tester Detection

Product Description
Check Brake Oil Detection Pen Brake Fluid Detector Brake Oil Tester Detection
Brand NEW! Quickly determine percentage of moisture in brake fluid
 
* Measurement range: brake fluid (DOT 4)
 
5 LEDs to indicate percentage of water liquid in the brake fluid
* Power supply: 1.5V "AAA" x 1 (not Included)
 
easy operated:  by pressing the ON/OFF before inserting the tester
 into reservoir for one second then the test result will be correctly
 indicated by LEDs